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How does PHP realize the functional operation of network disk and compressed package?

一个新手Original: 2017-09-28 10:13:341662browse

The code is as follows:

1. Main page file_zip.php

<!DOCTYPE html>
<html>
 <head>
  <meta charset="UTF-8">
  <title>文件管理</title> 
  <script src="bootstrap/js/jquery-1.11.2.min.js"></script> 
 </head>
 <style>
  *{ margin:0px auto; padding:0px}  #wai{ width:800px;}
  .list{ width:50%; height:35px; background-color:#09F; margin-top:2px; color:white; font-weight:bold; text-align:left; line-height:35px; vertical-align:middle; font-size:28px; padding:5px}
  .mulu{ background-color:#FC9}
  .mulu:hover{ cursor:pointer}  
  #prev:hover{ cursor:pointer}
 </style>
 <body>
   <p id="outside">
    <?php    
    session_start();    
    $fname = "/wamp/www";//使$filename的值为根文件夹中www目录下的所有文件夹
    if(!empty($_SESSION["lujing"])){     
    $fname = $_SESSION["lujing"];//把session存储的路径赋值给$fname
     echo "<p id=&#39;prev&#39; class=&#39;list&#39; lj=&#39;{sj}&#39;>返回上一级</p>";
    }               
    ?>
    <p id="inside">
    <?php    
    $sj = dirname($fname);    
    $dir = opendir($fname);    
    $arr = array();//将文件夹与文件合并放入
    $arr1 = array();//放入文件夹
    $arr2 = array();//放入文件
    while($filename = readdir($dir)){//把$fname里面的所有内容遍历出来
     if($filename != "."){      
     $ml = $fname."/".$filename;      
     if(is_dir($ml)){       
     $arr1[ ] = $ml;
      }else{       
      $arr2[ ] = $ml;
      }
     }
    }    
    $arr = array_merge($arr1,$arr2);    
    foreach($arr as $v){    
    $filename = basename($v);     
    if(is_dir($v)){       
    echo "<p lj=&#39;{$ml}&#39; class=&#39;list mulu&#39;>{$filename}</p>";
     }else{      
     echo "<p class=&#39;list&#39;>{$filename}</p>";
     }
    }    
    closedir($dir);      
    ?> 
    </p>
   </p> 
 </body>
 <script>
  $(".mulu").dblclick(function(){   
  var lj = $(this).attr("lj");//取点击内容自己的属性值lj，lj里面存储的是点击的文件夹的目录
   $.ajax({    
    url:"file_zip_chuli.php",
    data:{lj:lj},
    type:"POST",
    dataType:"TEXT",
    success:function(){
     window.location.href = "file_zip.php";
    }
   });
  })
  $("#prev").dblclick(function(){
   Load();
  })//双击事件的方法
  function Load(){   var lj = $(this).attr("lj");
   $.ajax({    
    url:"file_zip_chuli.php",
    data:{lj:lj},
    type:"POST",
    dataType:"TEXT",
    success:function(){
     window.location.href = "file_zip.php";
    }
   });
  } </script>
</html>

2. Main page processing page file_zip_chuli.php
php session_start(); $lj = $_POST["lj"]; $_SESSION["lujing"] = $lj;

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